jessica yellin is our chief white house correspondent. ron brownstein is the editorial director for the national journal. let's start with substance. there's been a lot of talk about style. i want you to listen to how each of the men handled the issue of libya, something that's in the news right now, and that deadly attack on the u.s. consulate. listen. >> this is becoming more troubling by the day. they first blamed the youtube video. now they're trying to blame the romney/ryan ticket for making this an issue. >> we weren't told they wanted more security. we did not know they wanted more security again. and, by the way, at the time, we were told exactly -- we said exactly what the intelligence community told us, that they knew. >> jessica, this is an issue that the white house and the campaign are going to have to deal with now through november and beyond. and a lot of people were paying attention to what joe biden had to say and many people said, you know what? he didn't really score so well there. >> reporter: well, on that case, yeah,